Air moistener



.Patented Sept. 29, i i i l. l

UNITED STATES .PATENT oFF'lcE.

FRANK H. EULLER, F KITTERY IOINT, MAINE.

AIR. MOISTENER.

Application led November 11, 1924. Serial No. 749,146..

To ZZ whom t may concern.' From a point opposite the tank the pipe Be itknown thaty I, FRANK H. ULLnR, 13inc1ines downwardlyat both sidesto thea citizen of the United States, residing atV tank, the purpose of thisbeing to return Kittery Point, in the county of York and water ofcondensation to the tank. i5 State of Maine, have invented certain newIt is obvious that the tank'and pipe conand useful Im Jrovements' in AirMoisteners, nections can be readily set up between the ofwhich thefollowing is a specification. fire -pot and the shell of the furnace.

This invention relates to air moisteners for In operation, water isvaporized in the hot air furnaces and it has for its vobject tank by theheat of the furnace .and the so to provide an improved deviceifoisupplyvapor escapes through the openings 12 and ing Water vapor tothe hot air 'generated by 14 and meistens the air delivered by the thefurnace, the improvement being o f such furnace,'thereby accomplishingthe result of nature that it may readily be applied to the apparatus. Itis to be noted that the existing furnaces, and the device includingtank, being; closed except for the small persa means for` maintaining acontinuous supply forations 12, will not collect dust and dirt of waterto the vaporizer tank so as to keep from ashes and the like, and thepipe 13 exit at a certain level. tends all'the way around the fire potso Various improvements in the apparatus that all parts of the air arenioistened. will be, apparent from the following (le- Nothing but vaporescapes through the open- 00 I0 scription and the accompanying drawings,ings 12 and 14 and any condensation will by in wliiclrFig. lfis a sideelevation ofthe the inclination of thev pipe be returned to thefurnaceshowing the vaporizer applied theretank, so that the fire pot andashpit will not to. Fig-2 is a section on the line 2 2 of become rusty;The supply is automatic, the Fig. 1. Fig. 3 isa detail in section of thewaterbeingrenewed to a constant lei-'el 6; water tank and connections.it evaporates, so that the amount of vapor Referring s ecifcally tothedrawings, 6 supplied depends on the state of the fire." indicates the.'ii'e potof an ordinary hot air' j I claim:

furnace, and the vaporizer is disposed in the i .man air moisten'er forhot air furnaces coniair space between the fire pot and' the ordiprlsinga Water tank having` a perlorated In' nary outer shell 7 of the furnace.top, and a' pipe connected at both ends to The'vaporizer comprises awater tank 8 the tank. abovethe water level'therein and with' a floatvalve 9 controlling the inlet provided with holes for the outlet ofvapor, through the supply pipe 10, whereby the said' pipe extendingaroundthe iire'pot, and water is maintained atl a desired level. 11bothsides of the pipe being inclined down- 7i:

a5 1s an overflow pipe, This tank is closed wardly toward the tank,whereby condensa` 4 at the top, but the top-or cover has a series tionis returned to the tank. of openings l2 through which vapor may Intestimony whereof, I- affix my signature. escape. A ring pipe 13 isconnected atits ends to the upper part of the tank, above FRANK H.FULLER.

40 the water level, and this pipe has a pluraly ity of jet holes 14, l

